Institution: | (1) Department of Orthopedic Surgery, OCM-Clinic, Steinerstr 6, 81369 Munich, Germany;(2) Clinic for Anesthesiology, Ludwig-Maximilians-University Munich, Marchioninistr 15, 81377 Munich, Germany;(3) Clinic for Orthopedic Surgery, Martin-Luther-University Halle-Wittenberg, Magdeburgerstr 22, 06097 Halle (Saale), Germany |